XML 120 R99.htm IDEA: XBRL DOCUMENT
v3.23.1

EMPLOYEE BENEFITS (Details) - CNY (¥) ¥ in Billions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
EMPLOYEE BENEFITS |  |  |
Expense of employee benefits | ¥ 1.9 | ¥ 1.8 | ¥ 1.4

X
- Definition The amount of expense related to employee benefits during the period. + References No definition available. + Details
Name: | tcom_ExpenseOfEmployeeBenefits
Namespace Prefix: | tcom_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CompensationAndRetirementDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration